Gyroelongated Pyramid
An 
-gonal pyramid adjoined to an -gonal Antiprism.
- Gauss's Constant
- Gauss's Criterion
- Gauss's Double Point Theorem
- Gauss's Equation (Radius Derivatives)
- Gauss's Formula
- Gauss's Formulas
- Gauss's Forward Formula
- Gauss's Harmonic Function Theorem
- Gauss's Hypergeometric Theorem
- Gauss's Inequality
- Gauss's Interpolation Formula
- Gauss's Lemma
- Gauss's Machin-Like Formula
- Gauss's Mean-Value Theorem
- Gauss's Polynomial Theorem
- Gauss's Reciprocity Theorem
- Gauss's Test
- Gauss's Theorem
- Gauss's Theorema Egregium
- Gauss's Transformation
- Gear Graph
- Gegenbauer Function
- Gegenbauer Polynomial
- Gelfond-Schneider Constant
- Gelfond-Schneider Theorem